Is 101021 a prime number?

101 021 is an odd number, because it is not evenly divisible by 2.

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• What is an even number?

A number is a perfect square (or a square number) if its square root is an integer; that is to say, it is the product of an integer with itself. Here, the square root of 101 021 is about 317.838.

Thus, the square root of 101 021 is not an integer, and therefore 101 021 is not a square number.

Anyway, 101 021 is a prime number, and a prime number cannot be a perfect square.

The square of a number (here 101 021) is the result of the product of this number (101 021) by itself (i.e., 101 021 × 101 021); the square of 101 021 is sometimes called "raising 101 021 to the power 2", or "101 021 squared".

The square of 101 021 is 10 205 242 441 because 101 021 × 101 021 = 101 021² = 10 205 242 441.

As a consequence, 101 021 is the square root of 10 205 242 441.

101 021 is a number with 6 digits.

The multiples of 101 021 are all integers evenly divisible by 101 021, that is all numbers such that the remainder of the division by 101 021 is zero. There are infinitely many multiples of 101 021. The smallest multiples of 101 021 are:

• 0: indeed, 0 is divisible by any natural number, and it is thus a multiple of 101 021 too, since 0 × 101 021 = 0
• 101 021: indeed, 101 021 is a multiple of itself, since 101 021 is evenly divisible by 101 021 (we have 101 021 / 101 021 = 1, so the remainder of this division is indeed zero)
• 202 042: indeed, 202 042 = 101 021 × 2
• 303 063: indeed, 303 063 = 101 021 × 3
• 404 084: indeed, 404 084 = 101 021 × 4
• 505 105: indeed, 505 105 = 101 021 × 5
• etc.

• Preceding numbers: …101 019, 101 020
• Following numbers: 101 022, 101 023…

Nearest numbers from 101 021

• Preceding prime number: 101 009
• Following prime number: 101 027

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• 101 021 est-il un nombre premier ?